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2. Interface
Data transmission
Serial
Synchronization
Asynchronous
Signal level
MARK = -3 to -15 V (logic “1”)
SPACE = +3 to +15 V (logic “0”)
Baud rates
4800, 9600, 19200, 38400 bps
Parity
None, even, odd
Bit length
7 or 8 bits
Stop bits
1 bit
Hardware flow control
Support hardware flow control to indicator the device
input buffer full. The connection is base on cable
define (connect to PC’s CTS and/or DSR pin)
Pass-Through
Support by pass through version with DTR/DSR
handshake control